Home / 148,112.10-221,840.10-121,868.10

Finding the Fourth Proportional to 148,112.10, 221,840.10 and 121,868.10

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Solution

The fourth proportional to 148,112.10, 221,840.10 and 121,868.10 is: 182,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,112.10 : 221,840.10 = 121,868.10 : x
  2. Step 2: Convert to fraction form
    148,112.10/221,840.10 = 121,868.10/x
  3. Step 3: Cross multiply
    148,112.10x = 221,840.10 × 121,868.10
  4. Step 4: Simplify right side
    148,112.10x = 27,035,231,490.81
  5. Step 5: Solve for x
    x = 27,035,231,490.81/148,112.10
  6. Step 6: Final answer
    x = 182,532.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.